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Lack of neurohumoral response to pneumoperitoneum for laparoscopic cholecystectomy
Dept. Anesthesia and Intensive Care, Huddinge University Hospital, Huddinge, Sweden.
Örebro University, School of Medical Sciences. Örebro University Hospital. Department of Surgery, Huddinge University Hospital, Huddinge, Sweden.ORCID iD: 0000-0003-2636-4745
Department of Surgery, Karolinska Hospital,6 Stockholm, Sweden.
Dept. Anesthesia and Intensive Care, Huddinge University Hospital, Huddinge, Sweden.
1998 (English)In: Surgical Endoscopy, ISSN 0930-2794, E-ISSN 1432-2218, Vol. 12, no 10, p. 1217-1223Article in journal (Refereed) Published
Abstract [en]

Background: Pneumoperitoneum (PP) for laparoscopic surgery induces prompt changes in circulatory parameters. The rapid onset of these changes suggests a reflex origin, and the present study was undertaken to evaluate whether release of vasopressor substances could be responsible for these alterations. The influence of two different anesthesia techniques was also evaluated. Methods: American Society of Anesthesiologists (ASA) class I patients, scheduled for laparoscopic cholecystectomy, were investigated. The first group (n = 10) was anesthetized intravenously. The second group (n = 6) had inhalation anesthesia. Plasma vasopressin, catecholamines, and plasma renin activity were investigated as neurohumoral vasopressor markers of circulatory stress. The general stress response to surgery was assessed by analysis of plasma cortisol. Results: Induction of pneumoperitoneum caused no apparent activation of vasopressor substances, although several hemodynamic parameters responded promptly. Conclusion: The hemodynamic alterations, seen at the establishment of PP during stable anesthesia, cannot be explained by elevation of vasopressor substances in circulating blood.

Place, publisher, year, edition, pages
Springer-Verlag New York, 1998. Vol. 12, no 10, p. 1217-1223
National Category
Anesthesiology and Intensive Care
Identifiers
URN: urn:nbn:se:oru:diva-63888DOI: 10.1007/s004649900824ISI: 000076104900006PubMedID: 9745060Scopus ID: 2-s2.0-0032185983OAI: oai:DiVA.org:oru-63888DiVA, id: diva2:1171085
Available from: 2018-01-05 Created: 2018-01-05 Last updated: 2018-02-05Bibliographically approved

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